Add 10/15 and 70/63
1st number: 10/15, 2nd number: 1 7/63
10/15 + 70/63 is 16/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
10/15 = 10 × 21/15 × 21 = 210/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
70/63 = 70 × 5/63 × 5 = 350/315 - Add the two like fractions:
210/315 + 350/315 = 210 + 350/315 = 560/315 - 560/315 simplified gives 16/9
- So, 10/15 + 70/63 = 16/9
In mixed form: 17/9
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